NAACP Sheds Light On Racial Bias Of Hair Follicle Drug Testing
By Victoria Kim 08/12/19
https://www.thefix.com/racial-bias-hair-follicle-drug-testing
Hair testing for drug use gains traction — but critics say the science needs to catch up
By LEAH SAMUEL
NOVEMBER 1, 2016
Content Background: Binding of drugs to hair (Duke University)